This is a Sharplan model 1100, 140 W CO2 Laser used for medical/surgical
applications. (Unit was removed from a hospital.)

View 01 - Overall view. This is the main laser unit containing the laser
head, power supply, vacuum pump, gas supply and long articulated arm which
directs the beam to its target. There is also a 2 mW HeNe aiming laser
inside the head (not visible).